Brian Thomas Sullivan, MD

Orthopaedic Hand Surgery Physician · Orange, CA

Individual Active NPI

NPI number 1659869550

Practice location

101 the City Dr S
Orange, CA 92868-3201
Phone
(714) 456-7890

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NPI record

NPI
1659869550
Entity type
Individual (Type 1)
Enumeration date
April 25, 2018
Last updated
February 6, 2026
Certified
February 6, 2026
Sole proprietor
No

Specialties & taxonomy codes

TaxonomyCodeLicenseState
Orthopaedic Hand Surgery Physician Primary 207XS0106X A203312 CA
Orthopaedic Surgery Physician 207X00000X A203312 CA

Mailing address

Uc Irvine Medical Center
101 the City Drive South
Orange, CA 92868
Phone
(714) 456-7890

About Dr. Sullivan

Brian Thomas Sullivan, MD is a healthcare provider registered in the NPI registry with the primary taxonomy Orthopaedic Hand Surgery Physician (code 207XS0106X). The practice location is 101 the City Dr S, Orange, CA 92868-3201. The NPI number 1659869550 was assigned on April 25, 2018 and the record was last updated on February 6, 2026.

Dr. Sullivan lists 2 licenses in the registry: #A203312 (CA) for Orthopaedic Hand Surgery Physician; #A203312 (CA) for Orthopaedic Surgery Physician. License numbers are self-reported to NPPES; verify them with the state licensing board.

Frequently asked questions

What is the NPI number of Brian Thomas Sullivan, MD?

The NPI number is 1659869550.

What is the phone number of Dr. Sullivan?

The phone number listed for the practice location is (714) 456-7890.

Where is Dr. Sullivan located?

101 the City Dr S, Orange, CA 92868-3201.

What is the taxonomy code for Dr. Sullivan?

The primary taxonomy code is 207XS0106X – Orthopaedic Hand Surgery Physician; 1 more listed above.

Is this information correct?

All details come from the public NPPES registry. Providers can update their record at nppes.cms.hhs.gov; changes appear here after the next weekly update.

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